Methyl sulfoxide, 99.9%, for spectroscopy, Thermo Scientific Chemicals

Product Code.	Quantity	Packaging	Unit Size
10092060	2.5 L	Glass Bottle	2.5 L
10124280	100 mL	Glass Bottle	100mL
10438920	250 mL	Glass Bottle	250mL
10337730	1 L	Glass Bottle	1 L

Product Code. 10092060 Supplier Thermo Scientific Acros Supplier No. 167850025

Description

CAS: 67-68-5 | Molecular Formula: C2H6OS | Molecular Weight: 78.13 g/mol

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

For UV/VIS spectroscopy

EcoSafPak™ is an environmentally friendly packaging system made of 100% recyclable material by a SFI certified supplier.

Specifications

Chemical Identifiers

• CAS: 67-68-5
• Molecular Formula: C2H6OS
• Molecular Weight (g/mol): 78.13
• MDL Number: MFCD00002089
• InChI Key: IAZDPXIOMUYVGZ-UHFFFAOYSA-N
• Synonym: dimethyl sulfoxide, dmso, methyl sulfoxide, dimethylsulfoxide, dimethyl sulphoxide, methane, sulfinylbis, demsodrox, demasorb, demavet, dimexide
• PubChem CID: 679
• ChEBI: CHEBI:28262
• IUPAC Name: methylsulfinylmethane
• SMILES: CS(C)=O

• Melting Point: 18.4°C
• Absorbance: 0.01 max. at 360nm, 0.05 max. at 320nm, 0.1 max. at 300nm, 0.2 max. at 290nm, 0.3 max. at 280nm, 0.5 max. at 270nm
• Decomposition Information: >190°C
• Density: 1.1000g/mL
• Quantity: 2.5 L
• Flash Point: 87°C
• Packaging: Glass Bottle
• Physical Form: Liquid at 20°C
• Refractive Index: 1.4770 to 1.4800
• Residue after Evaporation: 0.005% max.
• Assay Percent Range: 99.9%
• Specific Gravity: 1.1
• Linear Formula: (CH₃)₂SO
• Vapor Pressure: Vapor Pressure: 0.55mbar at 20°C
• Viscosity: 1.987 mPa.s (25°C)
• Water: 0.05% max.
• Beilstein: 01, IV, 1277
• Fieser: 01,296; 02,157; 03,119; 04,192; 05,263; 06,225; 07,133; 08,198; 09,189; 10,166; 12,212; 13,124; 15,146; 16,149; 17,127
• Merck Index: 15, 3285
• Boiling Point: 189.0°C
• Solubility Information: Solubility in water: soluble. Other solubilities: soluble in alcohol, benzene, acetone, chloroform,, diethyl ether and aromatic hydrocarbons
• Formula Weight: 78.13
• Percent Purity: 99.9%
• Grade: Spectroscopy
• Chemical Name or Material: Methyl sulfoxide, 99.9%

Safety and Handling

SDS

RUO – Research Use Only